code: def get_sigmas(self, n, device):
      pass
  
file_path: generative-models/sgm/modules/diffusionmodules/discretizer.py
imports: from abc import abstractmethod
  from functools import partial
  import numpy
  import torch
  from ...modules.diffusionmodules.util import make_beta_schedule
  from ...util import append_zero
label_desc: Use image node_id 2 for calling the Discretization obj's underlying member method code with example usage: obj.get_sigmas(n, device) without return types